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请工程师推荐一款DC-DC降压芯片或模块

Other Parts Discussed in Thread: TPS40305, LM5119, TPS53355

12V 输入 3.3V 和5V 输出(可调节)。电流20A  。芯片自身发热小。效率高。请工程师推荐一款谢谢